Bosch Greentherm T9900 SE/i 199 Manuals

Table of Contents

• • 2

    Table of Contents

• 3

  1 Key to Symbols and Safety Instructions

  • 3

    Key to Symbols
  • 3

    Safety Instructions

• 8

  2 Safety Information

• 9

  3 Appliance Details

  • 9

    Features
  • 10

    Specifications (Technical Data)
  • 12

    Unpacking the Heater
  • 13

    General Rules to Follow for Safe Operation
  • 15

    Dimensions and Minimum Installation
    • 15

      Clearances

• 16

  4 Installation Instructions

  • 16

    Installation Tools
  • 16

    Introduction
  • 16

    Proper Location for Installing Your Heater
  • 17

    Heater Placement and Clearances
  • 17

    Hanging Appliance On the Wall
  • 18

    Venting
  • 32

    Factory Regulation
  • 32

    Natural Gas
  • 32

    Liquid Propane Gas (After Gas Conversion)
  • 33

    Gas Piping & Connections
  • 36

    Water Quality
  • 36

    Water Connections
  • 38

    Domestic Hot Water Recirculation
  • 39

    Space Heating Applications
  • 43

    Measuring Gas Pressure

• 43

  5 Electrical Connections

  • 43

    Electrical Power Supply
  • 44

    Position of the Fuses in Control Unit

• 44

  6 Operation Instructions

  • 45

    For Your Safety Read before Operating Your
    • 45

      Water Heater
  • 45

    Power
  • 45

    Error Code Reset
  • 45

    Temperature Selection
  • 46

    Programming the Default Setpoint
    • 46

      Temperature
  • 47

    Information /Adjustments Menu
  • 47

    P4" - Information
  • 47

    SA - Settings
  • 50

    AU - Technical Settings
  • 50

    P9" - Purge
  • 51

    Service Menu - AU Technical Settings
  • 52

    Water Valves Calibration
  • 52

    Gas Type
  • 54

    Wi-Fi Connection

• 56

  7 Maintenance and Service

  • 57

    Required Annual Maintenance
  • 57

    Winterizing for Seasonal Use
  • 57

    Mineral Scale Build-Up

• 58

  8 Troubleshooting

  • 58

    Introduction
  • 59

    Burner Does Not Ignite When a Hot Water Faucet Is Opened
  • 59

    Water Is Too Hot
  • 59

    Water Is Not Hot Enough
  • 59

    Low Water Flow/Pressure
  • 60

    Hot Water Temperature Fluctuates at Tap
  • 60

    Noisy Burner/Heater During Operation
  • 60

    Error Codes C1, C2, CF And/Or CE
  • 60

    Error Codes EA And/Or EC
  • 60

    Internal Recirculation Pump
  • 61

    Manifold Gas Pressure
  • 61

    Gas and Air Adjustment
  • 65

    CO Emissions Check

• 67

  9 Problem Solving

  • 67

    Error Code Diagnostics

• 72

  10 Electrical Diagram

• 74

  11 Sensor Resistance Charts

• 75

  12 Interior Components Diagram

• 76

  13 Protecting the Environment

• 76

  14 Installer Checklist to Be Completed By Installer Upon Installation

• 77

  15 List of Used Open Source Components